.middle {
    display: flex;
    flex-direction: column;
    height: 50%;
}

.modular {
    display: flex;
    align-items: flex-start;
    justify-content: center;
    padding-bottom: 1%;
    background-color: rgb(236, 236, 236);
}

.intro {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    font-size: 1.1em;
    color: rgb(167, 154, 167);
    background-color: rgb(255, 255, 255);
}

.title {
    margin-top: 1%;
    font-size: 1.6em;
    font-weight: bolder;
    font-family: 黑体;
    color: rgb(22, 132, 77);
    margin-right: 3%;
    cursor: pointer;
}

#photo {
    width: 30%;
    margin-top: 3%;
}

.intro > div {
    padding: 1em;
}

.intro > div:last-child {
    padding-bottom: 5em;
}

.top > div:first-child > div:last-child > div:last-child > a:nth-child(2) {
    color: rgb(123, 207, 152);
}